Kelly Clarkson performs with Jason Aldean at LP Field for the Saturday night series of concerts at the 2013 CMA Music Festival Saturday June 8, 2013, in Nashville, Tenn. Larry McCormack / File / tennssean.com

In this April 26, 2014 file photo, Jason Aldean performs during his headlining set on day two of the 2014 Stagecoach Music Festival at the Empire Polo Field in Indio, Calif. Chris Pizzello/File/Invision/AP

Jason Aldean accepts the entertainer of the year award during the 53rd Academy of Country Music Awards at the MGM Grand Garden Arena Sunday, April 15, 2018, in Las Vegas. Larry McCormack / Tennessean.com

Jason Aldean, left, and Brittany Kerr on the red carpet during the 53rd Academy of Country Music Awards at the MGM Grand Garden Arena Sunday, April 15, 2018, in Las Vegas. Larry McCormack / Tennessean.com

Hillary Scott of Lady Antebellum and Jason Aldean take a photo with dog Murphy backstage at the benefit concert for the Country Music Hall of Fame at the Somme Center on October 13, 2009. John Partipilo / File / The Tennessean

Jason Aldean accepts the Male Vocalist of the Year Award during the 49th annual Academy of Country Music Awards at the MGM Grand Garden Arena in Las Vegas Sunday, April 6, 2014. Larry McCormack / The Tennessean

Memphis Aldean Williams' run as the baby in the family will be short-lived. On Tuesday the little boy's famous parents — country singer Jason Aldean and his wife Brittany — used the tot to tell the world that they are expecting a second child.

Brittany Aldean shared a snapshot of seven-month-old Memphis wearing a Big Brother onesie on social media. The caption read: "Here we go again." Jason Aldean posted the same photo with the note: "Sup everybody....... guess who is gonna be a BIG brother! #thisdude#aldeanpartyof6."